Use the minimum and maximum features of a graphing calculator to find approximately the intervals on which the function is increasing or decreasing. Round your values to two decimal places, if necessary.y = 
+ 
- 10
A. inc (10, ?), dec (-?, 2)
B. inc (2, ?), dec (-?, 6)
C. inc (-?, -2), dec (6, ?)
D. inc (6, ?), dec (-?, -2)
Answer: D
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Solve the equation. If there are no real solutions, write "no real-number solutions."x2 = 25
A. 
B. ±5
C. 5
D. no real-number solutions
Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 3; local maximum at x = -3 ; concave up on (0, -3) and (3, ?); concave down on (-3, 3) B. Local minimum at x = 3; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0) C. Local maximum at x = 3; local minimum at x = -3 ; concave up on (0, -3) and (3, ?); concave down on (-3, 3) D. Local minimum at x = 3; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0)
Solve using the quadratic formula.6x2 + 17x + 12 = 0
A. - 
, - 
B. - 
, - 
C. 
, 
D. 
, - 
Provide an appropriate response.Multiply and simplify: 4x(x + 1)2
What will be an ideal response?